Multiple Choice
Pinworm is a nematode parasite that lives in the human rectum,and causes itching in the anal area.What best explains the itching symptom?
A) Any kind of parasite will naturally irritate the skin.
B) The itching induces the person to scratch,helping to spread the parasite to another person.
C) The itching is a side-effect when the immune system has successfully attacked the nematode.
D) The itching is because of the mismatch between humans and the parasite's natural host.
Correct Answer:
Verified
Correct Answer:
Verified
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